Category Theory for Programmers


Category Theory for Programmers
Category Theory for Programmers
CC BY-SA

Book Details

Author Bartosz Milewski
Published 2019
Edition 1
Paperback 498 pages
Language English
ISBN-13 9780464243878
ISBN-10 0464243874
License Creative Commons Attribution-ShareAlike

Book Description

Category Theory is one of the most abstract branches of mathematics. It is usually taught to graduate students after they have mastered several other branches of mathematics, like algebra, topology, and group theory. It might, therefore, come as a shock that the basic concepts of category theory can be explained in relatively simple terms to anybody with some experience in programming.

That's because, just like programming, category theory is about structure. Mathematicians discover structure in mathematical theories, programmers discover structure in computer programs. Well-structured programs are easier to understand and maintain and are less likely to contain bugs. Category theory provides the language to talk about structure and learning it will make you a better programmer.


This book is available under a Creative Commons Attribution-ShareAlike license (CC BY-SA), which means that you are free to copy, distribute, and modify it, as long as you credit the original author and license any derivative works under the same terms.

If you enjoyed the book and would like to support the author, you can purchase a printed copy (hardcover or paperback) from official retailers.

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